Buying a good quality diesel engine oil needs a lot of research and patience. Fortunately, you have come to the right place as we will be guiding you in your search for the best diesel engine oil available in the market. The product that we have chosen are affordable and can be bought online from amazon. Our team has put in countless hours to ensure that you get the best possible return for your money. As a result, they have even managed to physically review the product. So for the detailed analysis, do read the full article.

We have reviewed the absolute best diesel engine oil so that our users will get the premium quality products. According to our research, we felt that the number one choice for a user looking to buy a diesel engine oil has to be Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil – 4 Gallon Pack. Besides being reliable and offering consistent performance, it packs in some pretty unique features as well. Also, here are the other top diesel engine oil currently in the market.

Amazon Disclosure

Best Review Up is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking https://bestreviewup.com to Amazon properties. We make a commission if you click this link and make a purchase, at no cost to you.

Best diesel engine oil

Image
Product Title
Score

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)
9.8

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)
9.4

Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil 1 GA, Case of 3
9.2

Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil - 4 Gallon Pack
8.9

Delo 400 SDE SAE Conventional Heavy Duty Diesel Engine Oil 15W-40,1 Gallon, Pack of 3
8.3

Valvoline Premium Blue One Solution SAE 15W-40 Diesel Engine Oil 1 GA
8.1

Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil - 1 Gallon Jug, Pack of 4
7.7

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Case of 3)
7.4

Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)
7.2

Shell Rotella T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Case of 3)
6.7

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)


More Info and Images

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)

$74.87
$53.00  in stock
37 new from $51.70
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • Triple Protection from wear, deposits and oil breakdown, this conventional Diesel Engine Oil provides exceptional wear protection for heavy duty engines for longer life
  • Formulated with advanced additive technology, which is engineered for superior engine cleanliness throughout the oil drain interval
  • Provides increased shear stability for better viscosity control and optimal engine oil pressure
  • Package Weight : 23.8 pounds

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)


More Info and Images

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Single Pack)

$36.87
$14.38  in stock
35 new from $14.38
Free shipping
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • Conventional 15W-40 diesel engine oil with Triple Protection technology protects against wear, deposits, and oil breakdown
  • Formulated with advanced additive technology for enhanced deposit control and superior engine cleanliness throughout the oil drain interval
  • Enhanced protection against oil oxidation for more efficient operation
  • Increased shear stability for better viscosity control and optimal engine oil pressure
  • Wear control helps keep moving metal engine surfaces apart for a longer life

Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil 1 GA, Case of 3


More Info and Images

Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil 1 GA, Case of 3

$119.61  in stock
6 new from $78.72
Free shipping
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • “The Only One“ endorsed and recommended by Cummins
  • Superior synthetic base stocks provide faster, safe starts during freezing weather and enhanced thermal properties for hot weather operations
  • Outstanding oxidation resistance supports long oil life in heavy duty engines
  • Superior wear protection for hardworking heavy-duty trucks and equipment

Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil – 4 Gallon Pack


More Info and Images

Mobil 1 112786 Delvac 1300 Super 15W-40 Diesel Engine Oil - 4 Gallon Pack

$99.99
$73.80  in stock
15 new from $73.80
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • Size: 1 Gallon
  • Type: 15w - 40
  • For usediesel engines requiring 15w-40 engine oil (referbottle for specifications)
  • Extends engine life with its unique additive system

Delo 400 SDE SAE Conventional Heavy Duty Diesel Engine Oil 15W-40,1 Gallon, Pack of 3


More Info and Images

Delo 400 SDE SAE Conventional Heavy Duty Diesel Engine Oil 15W-40,1 Gallon, Pack of 3

$81.87
$66.78  in stock
25 new from $66.78
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • Premium quality heavy duty motor oil manufactured in the USA
  • Formulated to meet the requirements of post-2007 low emission engines
  • Provides outstanding performance with ultra-low sulfur diesel and also with normal and low sulfur diesel fuels
  • May be used in older conventional engines and gasoline engines
  • Formulated with ISOSYN technology

Valvoline Premium Blue One Solution SAE 15W-40 Diesel Engine Oil 1 GA


More Info and Images

Valvoline Premium Blue One Solution SAE 15W-40 Diesel Engine Oil 1 GA

$29.00  in stock
21 new from $24.24
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • One Solution Technology Suitable For A Wide Range Of Heavy-Duty Engines Including Diesel, Gas And Natural Gas Applications
  • “The Only One“ Endorsed And Recommended By Cummins
  • Outstanding Oxidation Resistance Supports Long Oil Life In Heavy Duty Engines
  • Superior Wear Protection For Hardworking Heavy-Duty Trucks And Equipment

Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil – 1 Gallon Jug, Pack of 4


More Info and Images

Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil - 1 Gallon Jug, Pack of 4

$130.11  in stock
7 new from $129.99
Free shipping
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Case of 3)


More Info and Images

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Case of 3)

$129.99  in stock
19 new from $129.99
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • Full synthetic 5W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow
  • Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from pickup trucks to tractors to semi rigs
  • Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability (compared to 15W-40 oils)
  • Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants (compared to previous formulation)
  • Increased shear stability for better viscosity control and optimal engine oil pressure

Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)


More Info and Images

Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)

$168.50  in stock
10 new from $145.00
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • Full synthetic 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow
  • Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from pickup trucks to tractors to semi rigs
  • Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability (compared to 15W-40 oils)
  • Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants (compared to previous formulation)
  • Increased shear stability for better viscosity control and optimal engine oil pressure

Shell Rotella T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Case of 3)


More Info and Images

Shell Rotella T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Case of 3)

$133.89
$94.78  in stock
19 new from $94.78
Buy Now
Amazon.com
as of May 7, 2022 3:13 pm

Features

  • Synthetic blend 10W-30 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown, and improves low-temperature flow
  • Ideal for on-highway fleets, construction, and agricultural machinery, and diesel pickup trucks — including high-power vehicles that require resistance to heat and stress
  • Formulated with advanced additive technology for enhanced deposit control and superior engine cleanliness throughout the oil drain interval
  • Fuel economy savings up to 2 percent compared to a conventional 15W-40, helping you stretch your budget and improve your bottom line
  • Provides better cold cranking properties and better low temperature pumpability than conventional 15W-40

We hope that this article would have helped you to land a top-quality diesel engine oil. Now, if you still are not 100% convinced by the choices we have presented to you, then you might also want to check out this Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil 1 GA, Case of 3. If by chance, none of these options appeal to you, then do contact us with your thoughts and requirements and we might be able to provide something that you might like.